Eric Fontaine ericfont
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ericfont
/ circuit-20251121-2348.svg
Created
November 22, 2025 05:00
single opamp with LR integration before lowpass
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ericfont
/ circuit-20251121-2348.svg
Created
November 22, 2025 04:47
combine integration and lowpass into one opamp
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ericfont
/ circuit-20251121-1648.svg
Created
November 21, 2025 21:47
try using 1MHz opamp pole to stabilize oscillation frequency
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ericfont
/ circuit-20251121-1335.svg
Created
November 21, 2025 18:35
integrate feedback then integrate with input
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ericfont
/ circuit-20251121-1225.svg
Created
November 21, 2025 17:24
integrate, then combine with input into 2nd-order sallen-key lowpass around 20kHz, oscillates around 700 kHz
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ericfont
/ circuit-20251121-0146.svg
Created
November 21, 2025 06:46
not working attempt at forcing specific oscillation frequency
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ericfont
/ circuit-20251121-0108.svg
Created
November 21, 2025 06:07
int once, then high lowpass 3 times, osc ~89 kHz
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ericfont
/ circuit-20251121-0053.svg
Created
November 21, 2025 05:52
integrate once low and then with input twice high lowpass
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